Apparel and footwear company Under Armour (NYSE: UA)(NYSE: UAA) has grown at an impressive pace over the past decade, all while maintaining solid profitability. Under Armour produced $4.83 billion of revenue in 2016, up from $607 million in 2007. That’s a compound annual growth rate of 23%. Net income has also surged, quintupling over the past 10 years.